Headphone



1.1 is a front view of a headphone showing my new design, disclosing a first embodiment;

1.2 is a first left side perspective view thereof;

1.3 is a second left side perspective view thereof;

1.4 is a first right side perspective view thereof;

1.5 is a second right side perspective view thereof;

1.6 is a third right side perspective view thereof;

2.1 is a front view of a headphone showing my new design, disclosing a second embodiment;

2.2 is a top perspective view thereof;

2.3 is a first right side perspective view thereof;

2.4 is a second right side perspective view thereof;

2.5 is a first left side perspective view thereof; and

2.6 is a second perspective view thereof. 

CLAIM The ornamental design for a headphone, as shown and described. 